DTU is a module, linear, bridge, regulating switch design of maximum current rating of 575 a and 650 kv.
DTU system includes an optional standard operating mechanism, the drive shaft, shielding for basic configuration needed.DTU use silver dynamic contact link two copper contact make switches connected the maximum seven gear is optional.Dynamic contact has linear slot wheel drive and by steel shaft is connected with external operator.Operator by the gland and the o-ring to ensure that the seal through the transformer mailbox.Operating mechanism includes a gear indicator and a locking device.